Pinpoint Test Cf: The Ignition-Engine On Warning Chime Is Inoperative
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
Ignition-Engine On Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .
Possible Sources
- Interior lighting concern
- PRNDL indication concern
- BCM
- PCM
- TCM (diesel)
- GWM
- IPC
- CF1 CHECK THE SEATBELT WARNING CHIME OPERATION
- Ignition OFF.
- Ignition ON.
- Unbuckle the driver seatbelt.
- Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.
Does the seatbelt warning chime operate for approximately 6 seconds?
Yes GO to CF2 No GO to Pinpoint Test A - CF2 CHECK THE DOOR AJAR INDICATION
- Open the driver door.
- Observe the door ajar warning indicator or door ajar RTT warning indicator.
Does the door ajar warning indicator or door ajar RTT warning indicator turn on with the driver door ajar?
Yes GO to CF3 No GO to Pinpoint Test AA - CF3 CHECK THE PRNDL OPERATION
- Shift the transmission range selector through the ranges while observing the PRNDL indication.
Does the PRNDL indication match the selected transmission range?
Yes GO to CF4 No GO to Pinpoint Test AT - CF4 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the IPCDTC Chart. No GO to CF5 - CF5 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No GO to CF6 - CF6 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Using a diagnostic scan tool, perform the PCMKOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No For gas engine or HEV, GO to CF8 For diesel, GO to CF7 - CF7 PERFORM THE TCM (TRANSMISSION CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the TCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the appropriate Automatic Transmission article. No GO to CF8 - CF8 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Controller Area Network (CAN) Module Communications Network . No DIAGNOSE the ignition system. REFER to: Steering Wheel and Column Electrical Components .